CN115943261A - 多级式流体压力缸 - Google Patents

多级式流体压力缸 Download PDF

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Publication number
CN115943261A
CN115943261A CN202180052327.1A CN202180052327A CN115943261A CN 115943261 A CN115943261 A CN 115943261A CN 202180052327 A CN202180052327 A CN 202180052327A CN 115943261 A CN115943261 A CN 115943261A
Authority
CN
China
Prior art keywords
rod
supply
side chamber
cylinder
rod assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202180052327.1A
Other languages
English (en)
Chinese (zh)
Inventor
船户泰志
谷川夏树
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KYB Corp
Original Assignee
KYB Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KYB Corp filed Critical KYB Corp
Publication of CN115943261A publication Critical patent/CN115943261A/zh
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/047—Preventing foaming, churning or cavitation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7057—Linear output members being of the telescopic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8609—Control during or prevention of abnormal conditions the abnormal condition being cavitation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8616—Control during or prevention of abnormal conditions the abnormal condition being noise or vibration

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
CN202180052327.1A 2020-08-24 2021-08-12 多级式流体压力缸 Pending CN115943261A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020141116A JP7177805B2 (ja) 2020-08-24 2020-08-24 多段式流体圧シリンダ
JP2020-141116 2020-08-24
PCT/JP2021/029752 WO2022044833A1 (ja) 2020-08-24 2021-08-12 多段式流体圧シリンダ

Publications (1)

Publication Number Publication Date
CN115943261A true CN115943261A (zh) 2023-04-07

Family

ID=80353160

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180052327.1A Pending CN115943261A (zh) 2020-08-24 2021-08-12 多级式流体压力缸

Country Status (4)

Country Link
JP (1) JP7177805B2 (https=)
CN (1) CN115943261A (https=)
GB (1) GB2613494B (https=)
WO (1) WO2022044833A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7842594B2 (ja) * 2022-03-18 2026-04-08 カヤバ株式会社 流体圧シリンダ
CN115059661B (zh) * 2022-07-02 2024-05-28 安徽工程大学 一种带有行程锁止功能的多级伸出式液压缸结构

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0374683A (ja) * 1989-08-16 1991-03-29 Shoichi Iwamoto 一方向性軸シール装置
JPH04181005A (ja) * 1990-11-09 1992-06-29 Maruni:Kk テレスコープ形エアシリンダ
JP2002372086A (ja) * 2001-06-12 2002-12-26 Kayaba Ind Co Ltd 軸受構造
CN201851425U (zh) * 2010-09-16 2011-06-01 湖南中联重科专用车有限责任公司 两级伸缩油缸、液压控制系统和起重机吊臂的伸缩机构
JP2012086666A (ja) * 2010-10-19 2012-05-10 Showa Corp 船舶推進機用トリム・チルト装置
JP2014043875A (ja) * 2012-08-24 2014-03-13 Kayaba Ind Co Ltd 液圧シリンダ
CN105298981A (zh) * 2015-10-12 2016-02-03 江苏恒立高压油缸股份有限公司 安全可靠井架举升多级缸
CN107208670A (zh) * 2015-02-10 2017-09-26 Ｋｙｂ株式会社 流体压缸
JP2017172681A (ja) * 2016-03-23 2017-09-28 Ｋｙｂ株式会社 多段式流体圧シリンダ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09277814A (ja) * 1996-04-15 1997-10-28 Kayaba Ind Co Ltd 車高調整装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0374683A (ja) * 1989-08-16 1991-03-29 Shoichi Iwamoto 一方向性軸シール装置
JPH04181005A (ja) * 1990-11-09 1992-06-29 Maruni:Kk テレスコープ形エアシリンダ
JP2002372086A (ja) * 2001-06-12 2002-12-26 Kayaba Ind Co Ltd 軸受構造
CN201851425U (zh) * 2010-09-16 2011-06-01 湖南中联重科专用车有限责任公司 两级伸缩油缸、液压控制系统和起重机吊臂的伸缩机构
JP2012086666A (ja) * 2010-10-19 2012-05-10 Showa Corp 船舶推進機用トリム・チルト装置
JP2014043875A (ja) * 2012-08-24 2014-03-13 Kayaba Ind Co Ltd 液圧シリンダ
CN107208670A (zh) * 2015-02-10 2017-09-26 Ｋｙｂ株式会社 流体压缸
CN105298981A (zh) * 2015-10-12 2016-02-03 江苏恒立高压油缸股份有限公司 安全可靠井架举升多级缸
JP2017172681A (ja) * 2016-03-23 2017-09-28 Ｋｙｂ株式会社 多段式流体圧シリンダ

Also Published As

Publication number Publication date
WO2022044833A1 (ja) 2022-03-03
JP2022036748A (ja) 2022-03-08
GB2613494A (en) 2023-06-07
JP7177805B2 (ja) 2022-11-24
GB202303134D0 (en) 2023-04-19
GB2613494B (en) 2024-03-13

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